CN207528872U - A kind of phase-sensitive track circuits detecting system - Google Patents

A kind of phase-sensitive track circuits detecting system Download PDF

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Publication number
CN207528872U
CN207528872U CN201721256796.2U CN201721256796U CN207528872U CN 207528872 U CN207528872 U CN 207528872U CN 201721256796 U CN201721256796 U CN 201721256796U CN 207528872 U CN207528872 U CN 207528872U
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CN
China
Prior art keywords
inverter
phase
drive module
controls
track circuits
Prior art date
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Expired - Fee Related
Application number
CN201721256796.2U
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Chinese (zh)
Inventor
刘郁龙
周勇
楚尚高
吴同
江放
张明华
霍向荣
易劲松
郭路
彭红亮
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Guangzhou Railway (group) Co Huaihua Electric Service Section
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Guangzhou Railway (group) Co Huaihua Electric Service Section
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Priority to CN201721256796.2U priority Critical patent/CN207528872U/en
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Publication of CN207528872U publication Critical patent/CN207528872U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model is related to a kind of phase-sensitive track circuits detecting systems, including microcontroller, power module, the first inverter, the second inverter, high voltage bus overvoltage detection module, control drive module and display, wherein power module includes chip operation power supply and DC inverter, and the 340V DC voltages generated in DC inverter divide two-way to be connect respectively with the first inverter and the second inverter;The utility model structure and assembling is simple, conveniently moving, it is easy to carry and be independently operated, and realize 25Hz tracks power supply and locally supplied power source's output, meet railway signal " failure-safety " principle;And the blank that railway signal 25Hz phase-sensitive track circuits scene is individually detected has been filled up, greatly improve the stability and reliability of equipment.

Description

A kind of phase-sensitive track circuits detecting system
Technical field
The utility model is related to circuit detection technique field more particularly to a kind of phase-sensitive track circuits detecting systems.
Background technology
Electric railway station track circuit in the country's generally uses 25Hz phase-sensitive track circuits standards at present.25Hz phase sensitivity rails Road circuit is to be sent into 50Hz power supplys by power supply panel, and 25Hz is confessed through the ad hoc track frequency converter of 25Hz power supply panels and local frequency converter Track power supply and locally supplied power source use for equipment.25Hz tracks frequency converter uses " day " font core structure, outside bulky iron core Side is wound with 3 groups of coils, weighs 130 kilograms, it is impossible to carry to live (indoor and outdoor) and 25Hz track circuit equipments are surveyed Examination, experiment, diagnosis, such as single track section electrical characteristic (sending, by terminal voltage, phase angle etc.) is tested in outdoor without Influence the normal use of other track circuits.
In addition, electricity business field device maintenance and troubleshooting cannot be detached from 25Hz tracks power supply panel independently to 25Hz phase sensitivity rails Road circuit engineering parameter is tested, is checked, is judged;Therefore troubleshooting may be caused to be delayed, such as:Certain track section sending end (failure) short circuit, since track power transmission power supply is parallel operation, if indoors, outer progress fishing line test judge, may shadow The normal work of multiple track sections is rung, influences troubleshooting efficiency, transportation safety production is affected greatly.It is applied in engineering In work, when the non-structure of indoor power supply condition leads to or cable passage is not formed, it is impossible to the progress of outdoor track circuit individually be debugged, is real It tests, leads to casual labourer's journey rest point time lengthening, increase interference of the construction to transport;Further, since lack portable 25Hz variable-frequency electrics Source can not build 25Hz phase-sensitive track circuits in workshop, teams and groups location and carry out on-the-spot teaching practice, up for further changing Into.
Utility model content
Technical problem to be solved in the utility model is the present situation for the prior art, provides a kind of structure and assembling letter Single, conveniently moving, it is easy to carry and be independently operated, and filled up the sky that railway signal 25Hz phase-sensitive track circuits scene is individually detected In vain, the stability of equipment and the phase-sensitive track circuits detecting system of reliability are greatly improved.
Technical solution is used by the utility model solves above-mentioned technical problem:A kind of phase-sensitive track circuits detection system System, including microcontroller, power module, the first inverter, the second inverter, high voltage bus overvoltage detection module, control driving mould Block and display, it is characterised in that:The power module includes chip operation power supply and DC inverter, the DC inversion Power supply divides two-way to be connect respectively with the first inverter and the second inverter;The first sampling input port and second on the microcontroller It samples output terminal of the input port respectively with the first inverter and the second inverter to be connected, the acquisition overvoltage letter on the microcontroller Number input port be connected with the output terminal of high voltage bus overvoltage detection module, the input terminal of the high voltage bus overvoltage detection module It is connected on the output terminal of DC inverter and before the tie point of the first inverter and the second inverter;The control is driven Dynamic model block includes 110VSPWM controls and drive module and 220VSPWM controls and drive module, the 110VSPWM controls and drive One end of dynamic model block is connected on microcontroller control output end, the other end of the 110VSPWM controls and drive module It is connected with the output terminal of the second sampling input port;It is another on one end and microcontroller of the 220VSPWM controls and drive module One control output end is connected, the output terminal of the other end and the first sampling input port of the 220VSPWM controls and drive module It is connected;The display is connected with the data output end on microcontroller.
Preferably, 90 degree of advanced first inverter power supply of second inverter power supply.
Preferably, the rated power of first inverter and the second inverter is more than 100W.
Preferably, the 220VSPWM controls and drive module are automatically adjusted the voltage of the first inverter, described 110VSPWM is controlled and drive module is automatically adjusted the voltage of the second inverter.
Preferably, the display is by voltage, frequency, the phase difference and excessively deficient on the first inverter and the second inverter Pressure, overcurrent, short-circuit conditions are monitored and show.
Preferably, the non-isolation DC/DC converters use voltage-dropping type buck converter or booster type boost converters.
Compared with prior art, the utility model has the advantage of:Electric railway station track circuit in the country's is general at present All over using 25Hz phase-sensitive track circuits standards.25Hz phase-sensitive track circuits are to be sent into 50Hz power supplys by power supply panel, through 25Hz power supplys Shield ad hoc track frequency converter and local frequency converter is confessed 25Hz tracks power supply and locally supplied power source and used for equipment.25Hz tracks become Frequency device uses " day " font core structure, is wound with 3 groups of coils on the outside of bulky iron core, weighs 130 kilograms, it is impossible to carry to scene (indoor and outdoor) is tested 25Hz track circuit equipments, is tested, is diagnosed, such as electrically special to single track section in outdoor The normal use that property (sending, by terminal voltage, phase angle etc.) is tested without influencing other track circuits.In addition, electricity business scene Plant maintenance and troubleshooting cannot be detached from 25Hz tracks power supply panel and independently 25Hz phase-sensitive track circuits technical parameters surveyed Examination is checked, is judged;Therefore troubleshooting may be caused to be delayed, such as:Certain track section sending end (failure) short circuit, due to track Power transmission power supply be parallel operation, if indoors, it is outer progress fishing line test judge, may influence the normal of multiple track sections Work, influences troubleshooting efficiency, and transportation safety production is affected greatly.In engineering construction, when indoor power supply condition When non-structure leads to or cable passage is not formed, it is impossible to outdoor track circuit be carried out individually to debug, tested, when leading to casual labourer's journey rest point Between extend, increase interference of the construction to transport;Further, since lack portable 25Hz variable-frequency power sources, it can not be in workshop, institute of teams and groups 25Hz phase-sensitive track circuits are built on ground and carry out on-the-spot teaching practice.The utility model structure and assembling is simple, conveniently moving, just 25Hz tracks power supply and locally supplied power source's output are realized in carrying and being independently operated, meets railway signal " failure-safety " original Then;And the blank that railway signal 25Hz phase-sensitive track circuits scene is individually detected has been filled up, greatly improve the stability of equipment And reliability.
Description of the drawings
Fig. 1 is Tthe utility model system structure chart;
Fig. 2 is first inverter of the utility model and the circuit diagram of the second inverter;
Fig. 3 is the circuit diagram of the power module of the utility model;
Fig. 4 is the circuit diagram of the microcontroller of the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As shown in figures 1-4, a kind of phase-sensitive track circuits detecting system, including microcontroller 1, power module 2, the first inversion Device 3, the second inverter 7, high voltage bus overvoltage detection module 4, control drive module 5 and display 6, wherein power module 2 wrap Include chip operation power supply and DC inverter, wherein chip operation power supply be from alternating current take electricity after all the way through small transformers, bridge Formula rectifier circuit rectifies into 12V and 5V DC voltages, for electricity consumption needed for the chip in control circuit, DC inverter from Alternating current forms 340V DC voltages, DC inverter after taking electricity after the controlled rectification of bridge type full-wave rectifier and filtering The 340V DC voltages of middle generation divide two-way to be connect respectively with the first inverter 3 and the second inverter 7, and the second inverter 7 will 340V DC voltages are converted into the alternating voltage of 110V/25Hz, and 340V DC voltages are converted into 220V/ by the first inverter 3 The alternating voltage of 25Hz, advanced 90 degree of first inverter, 3 power supply of 7 power supply of the second inverter, the first inverter 3 and the second inverter 7 rated power is more than 100W;First sampling input port of the acquisition inverter signal on microcontroller 1 and the second sampling input Output terminal of the mouth respectively with the first inverter 3 and the second inverter 7 is connected, and it is inverse that microcontroller 1 detects the first inverter 3 and second Become the phase difference between device 7, if phase difference, between 88.8 degree and 91.2 degree, microcontroller 1 does not adjust, if phase difference exceeds This range is then adjusted by microcontroller 1, and the input port of the over-pressed signal of the acquisition on microcontroller 1 is detected with high voltage bus overvoltage The output terminal of module 4 is connected, and the input of high voltage bus overvoltage detection module 4 terminates on the output terminal of DC inverter and position Before the tie point of the first inverter 3 and the second inverter 7;Drive module 5 is controlled to include 110VSPWM and controls and drive mould One end of block and 220VSPWM controls and drive module, 110VSPWM controls and drive module and a control on microcontroller 1 Output terminal is connected, and the other end of 110VSPWM controls and drive module is connected with the output terminal of the second sampling input port, 220VSPWM control and one end of drive module be connected with another control output end on microcontroller 1,220VSPWM control and The other end of drive module is connected with the output terminal of the first sampling input port, if between the first inverter 3 and the second inverter 7 Phase difference less than 88.8 degree or higher than 91.2 degree, then 220VSPWM is controlled and drive module can be to the voltage of the first inverter 3 It is automatically adjusted, meanwhile, 110VSPWM controls and drive module can be automatically adjusted the voltage of the second inverter 7, most Eventually so that the phase difference between the first inverter 3 and the second inverter 7 is higher than 88.8 degree and less than 91.2 degree, it is achieved thereby that right Phase difference between first inverter 3 and the second inverter 7 carries out real time correction and has achieved the effect that vulnerabilities scan forceful electric power, controls The two-way power supply for making the first inverter 3 and the output of the second inverter 7 keeps stable phase difference;On display 6 and microcontroller 1 Data output end is connected, and display 6 can be by voltage, frequency, the phase difference and excessively deficient on the first inverter 3 and the second inverter 7 Pressure, overcurrent, short-circuit conditions are monitored and show.
Electric railway station track circuit in the country's generally uses 25Hz phase-sensitive track circuits standards at present.25Hz phase sensitivity rails Road circuit is to be sent into 50Hz power supplys by power supply panel, and 25Hz is confessed through the ad hoc track frequency converter of 25Hz power supply panels and local frequency converter Track power supply and locally supplied power source use for equipment.25Hz tracks frequency converter uses " day " font core structure, outside bulky iron core Side is wound with 3 groups of coils, weighs 130 kilograms, it is impossible to carry to live (indoor and outdoor) and 25Hz track circuit equipments are surveyed Examination, experiment, diagnosis, such as single track section electrical characteristic (sending, by terminal voltage, phase angle etc.) is tested in outdoor without Influence the normal use of other track circuits.
In addition, electricity business field device maintenance and troubleshooting cannot be detached from 25Hz tracks power supply panel independently to 25Hz phase sensitivity rails Road circuit engineering parameter is tested, is checked, is judged;Therefore troubleshooting may be caused to be delayed, such as:Certain track section sending end (failure) short circuit, since track power transmission power supply is parallel operation, if indoors, outer progress fishing line test judge, may shadow The normal work of multiple track sections is rung, influences troubleshooting efficiency, transportation safety production is affected greatly.It is applied in engineering In work, when the non-structure of indoor power supply condition leads to or cable passage is not formed, it is impossible to the progress of outdoor track circuit individually be debugged, is real It tests, leads to casual labourer's journey rest point time lengthening, increase interference of the construction to transport;Further, since lack portable 25Hz variable-frequency electrics Source can not build 25Hz phase-sensitive track circuits in workshop, teams and groups location and carry out on-the-spot teaching practice.
The utility model structure and assembling is simple, conveniently moving, it is easy to carry and be independently operated, and realize 25Hz tracks electricity Source and locally supplied power source's output, meet railway signal " failure-safety " principle;And railway signal 25Hz phase-sensitive tracks electricity is filled up The blank that road scene is individually detected greatly improves the stability and reliability of equipment.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model, rather than its limitations; Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of skill in the art that its according to So it can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is replaced on an equal basis It changes;And these modifications or replacement, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution Spirit and scope.

Claims (5)

1. a kind of phase-sensitive track circuits detecting system, including microcontroller, power module, the first inverter, the second inverter, high pressure Bus overvoltage detection module, control drive module and display, it is characterised in that:The power module includes chip operation power supply And DC inverter, the DC inverter divide two-way to be connect respectively with the first inverter and the second inverter;The list The first sampling input port and second on piece machine sample the input port output terminal phase with the first inverter and the second inverter respectively It connects, the input port of the over-pressed signal of the acquisition on the microcontroller is connected with the output terminal of high voltage bus overvoltage detection module, institute The input for stating high voltage bus overvoltage detection module terminates on the output terminal of DC inverter and positioned at the first inverter and the Before the tie point of two inverters;The control drive module includes 110VSPWM controls and drive module and 220VSPWM controls And drive module, the 110VSPWM controls and one end of drive module are connected with a control output end on microcontroller, institute The other end for stating 110VSPWM controls and drive module is connected with the output terminal of the second sampling input port;The 220VSPWM controls System and one end of drive module are connected with another control output end on microcontroller, the 220VSPWM controls and drive module The other end with first sampling input port output terminal be connected;The display is connected with the data output end on microcontroller.
2. a kind of phase-sensitive track circuits detecting system according to claim 1, it is characterised in that:The second inverter electricity 90 degree of advanced first inverter power supply in source.
3. a kind of phase-sensitive track circuits detecting system according to claim 1, it is characterised in that:First inverter and The rated power of second inverter is more than 100W.
4. a kind of phase-sensitive track circuits detecting system according to claim 1, it is characterised in that:The 220VSPWM controls And drive module is automatically adjusted the voltage of the first inverter, the 110VSPWM controls and drive module are to the second inversion The voltage of device is automatically adjusted.
5. a kind of phase-sensitive track circuits detecting system according to claim 1, it is characterised in that:The display is by first Inverter and voltage, frequency, phase difference and overvoltage/undervoltage on the second inverter, overcurrent, short-circuit conditions are monitored and show.
CN201721256796.2U 2017-09-27 2017-09-27 A kind of phase-sensitive track circuits detecting system Expired - Fee Related CN207528872U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721256796.2U CN207528872U (en) 2017-09-27 2017-09-27 A kind of phase-sensitive track circuits detecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721256796.2U CN207528872U (en) 2017-09-27 2017-09-27 A kind of phase-sensitive track circuits detecting system

Publications (1)

Publication Number Publication Date
CN207528872U true CN207528872U (en) 2018-06-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721256796.2U Expired - Fee Related CN207528872U (en) 2017-09-27 2017-09-27 A kind of phase-sensitive track circuits detecting system

Country Status (1)

Country Link
CN (1) CN207528872U (en)

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20180622

Termination date: 20200927